12749930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 23760000

約数和(自身を除く): 11010070

約数列:

[1, 2, 5, 10, 43, 86, 149, 199, 215, 298, 398, 430, 745, 995, 1490, 1990, 6407, 8557, 12814, 17114, 29651, 32035, 42785, 59302, 64070, 85570, 148255, 296510, 1274993, 2549986, 6374965, 12749930]

約数ペア:

[(1, 12749930), (2, 6374965), (5, 2549986), (10, 1274993), (43, 296510), (86, 148255), (149, 85570), (199, 64070), (215, 59302), (298, 42785), (398, 32035), (430, 29651), (745, 17114), (995, 12814), (1490, 8557), (1990, 6407)]